Malicious PDF — malware analysis report

Static analysis result for SHA-256 f68319caf1ba2372…

MALICIOUS

PDF

43.9 KB Created: 2020-08-09 06:51:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f00494c97bb4e1f1e2350e45a73e61f SHA-1: 571b68ee7da1fd0bd2d5634a31bda452c4460f19 SHA-256: f68319caf1ba2372e13f7b3ca182f68b2a29a6713db706b2e81238a1211db316
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many of which point to benign Shopify URLs, but one critical link redirects to a known malicious domain, ttraff.cc. This indicates a phishing or redirection attempt. The document body, though malformed, contains text related to 'benefits of yoga and meditation pdf', likely a lure to encourage clicks on the embedded links.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/pify?keyword=benefits+of+yoga+and+meditation+pdf
    • http://files.onewisdom.ca/uploads/1/3/0/9/130969510/5768731.pdf
    • http://files.sapcrc.com/uploads/1/3/0/7/130775808/tikudov-xotusasen.pdf
    • http://files.ourconsciousconnection.com/uploads/1/3/0/8/130813921/52de5b.pdf
    • http://wuxor.huguenot-church.org/uploads/1/3/0/9/130969306/d1423dafc.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/1549411192.pdf
    • https://cdn.shopify.com/s/files/1/0434/5597/1492/files/72413876427.pdf
    • https://cdn.shopify.com/s/files/1/0440/6312/9765/files/zenediv.pdf
    • https://cdn.shopify.com/s/files/1/0434/1802/6142/files/91592988437.pdf
    • https://cdn.shopify.com/s/files/1/0432/6028/0992/files/sixteen_basic_ukulele_chords.pdf
    • https://cdn.shopify.com/s/files/1/0434/1940/2405/files/xanofasiwalifejumibumix.pdf
    • https://cdn.shopify.com/s/files/1/0434/1750/1853/files/acca_f9_2020.pdf
    • https://cdn.shopify.com/s/files/1/0431/0378/1015/files/vuwalonojebipulozer.pdf
    • https://cdn.shopify.com/s/files/1/0432/5454/6590/files/42600146942.pdf
    • https://cdn.shopify.com/s/files/1/0433/0668/0484/files/cyrano_de_bergerac_edmond_rostand.pdf
    • https://cdn.shopify.com/s/files/1/0432/7214/3001/files/55666821104.pdf
    • https://cdn.shopify.com/s/files/1/0435/3844/8548/files/23958480397.pdf
    • https://cdn.shopify.com/s/files/1/0435/6869/3407/files/faremetaxagow.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006b8b.bin
2986056c02394e9068b52c47a16c0a1dbe69aa2ddd29753a44e645adc710c536		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B8B 5384 bytes
font_01_sfnt_off00007de6.bin
bbe444d3408b834de49892f7a8f98c244391877209222775b0629c9cc3ef5df8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DE6 10796 bytes

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